Ⅰ.完成句子1.最后,他来到一条大河,这条河是中国第三大河。At last, he came to a big river, which_is_the_third_largest_river in China.2.孩子们围着老师,认真地听她讲故事。The students surrounded the teacher, listening_attentively to her story.3.我觉得天天吃同样的食物令人厌烦。I find_it_boring_to_eat the same food day after day.Ⅱ.单项填空1.Students should often be a